UASt regulatory sequences drive expression of an inverted repeat.
viable, with Scer\GAL4Mef2.PR
viable, with Scer\GAL4pnr-MD237
macrochaeta, with Scer\GAL4neur-P72
Expression of spn-FGD7489 using Scer\GAL4neur-P72 results in a tapering bristle that ends with a swollen tip characterized by mis-orientated actin ridges.